JavaScript Animated Starfield (HTML Canvas Using an Animation Loop)

Publicado em: 04 Julho 2020
no canal de: Mt. Ford Studios

4,291

In this JavaScript tutorial, I show you how to create an animated starfield using plain vanilla JavaScript inside an HTML file. We create an animation loop using the inbuilt function requestAnimationFrame(). We set up the stars to be of random sizes and speeds, as well as having a random direction upon reload. You can download the tutorial code below. Here are the steps shown in the video:

0:00 Introduction and file setup
0:28 HTML setup
0:48 Constants
1:48 Canvas and context
2:31 Animation loop
4:03 CSS and styling
4:35 Setting up the stars array
8:14 Drawing the stars
9:26 Moving the stars
10:20 Cycle the stars on screen
12:00 Randomise star speed

DOWNLOAD THE TUTORIAL CODE
https://drive.google.com/file/d/16Hwi...

SOCIAL MEDIA
/ mountfordstudios
/ mtfordstudios

IMAGES
https://pixabay.com/

OUTRO MUSIC
Prelude No. 5 by Chris Zabriskie is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://chriszabriskie.com/preludes/
Artist: http://chriszabriskie.com/

SOFTWARE USED TO PRODUCE THIS VIDEO
Audacity, https://www.audacityteam.org/
HandBrake, https://handbrake.fr/
Inkscape, https://inkscape.org/
OBS Studio, https://obsproject.com/
Shotcut, https://shotcut.org/
Visual Studio Code, https://code.visualstudio.com/

#javascript #javascripttutorial #javascriptcourse

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